Hebrews 5:12-14 (KJV) "For when for the time ye ought to be teachers, ye have need that one teach you again which be the first principles of the oracles of God; and are become such as have need of milk, and not of strong meat. For every one that useth milk is unskilful in the word of righteousness: for he is a babe. But strong meat belongeth to them that are of full age, even those who by reason of use have their senses exercised to discern both good and evil."
Proverbs 27:17 (KJV) "Iron sharpeneth iron; so a man sharpeneth the countenance of his friend."
If you want to control a robot with your mind — and really, who doesn’t? — you currently have two options.
You can get a brain implant, in which case your control over the robot will be smooth and continuous. Or you can skip the risky, expensive surgery in favor of a device that senses your brainwaves from outside your skull — but your control over the bot will be jerky and not nearly as precise.
Now, a team from Carnegie Mellon University (CMU) is narrowing the gap between those two options, creating the first noninvasive mind-controlled robot arm that exhibits the kind of smooth, continuous motion previously reserved only for systems involving brain implants — putting us one step closer to a future in which we can all use our minds to control the tech around us.
Smooth Operator
In a paper published on Wednesday in the journal Science Robotics, the researchers describe how they used a combination of sensing and machine learning techniques to create a brain-computer interface (BCI) that could reach signals deep within the brains of participants wearing EEG headcaps.
To test their system, they asked the participants to use it to direct a robotic arm to point at a cursor as it moved around a computer screen. The robotic arm was able to continuously track the cursor in real-time with no jerky movements — an exciting first for a noninvasive BCI system.
Mind-Controlled Future
While much of the focus on mind-controlled robots centers on people with movement disorders or paralysis, CMU researcher Bin He envisions a future in which the tech is ubiquitous, benefiting the population as a whole.
“Despite technical challenges using noninvasive signals, we are fully committed to bringing this safe and economic technology to people who can benefit from it,” He said in a press release. “This work represents an important step in noninvasive brain-computer interfaces, a technology which someday may become a pervasive assistive technology aiding everyone, like smartphones.”
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